Reynolds Performance

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Reynolds Performance Specializing in late model gm performance and repair I am a one man shop out of monroe wisconsin. I am specialized in late model gm performance.

Services including but not limited to: for ls/lt engine and transmission swaps, engine and transmission building, rear differentials, track setups, cam installation, exhaust and welding, superchargers, turbo kits and nitrous setups. I strive to build and setup cars with the right parts and service for the customer to enjoy. i have attended drag and drive events and track days with customers to dial their setups in to hit personal goals or to fix tunes so they can get back to enjoying their cars. please message me with any questions about your builds or parts big or small!

10/18/2026

22 c8 with corsa exhaust and a magnuson 2650 stage 2 kit! 576 wheel stock made 415.

New to us shop truck 17 gmc with 6.2 and 8 speed trans stock ran consistant 14.4 with oversized tires just a transmissio...
10/09/2026

New to us shop truck 17 gmc with 6.2 and 8 speed trans stock ran consistant 14.4 with oversized tires just a transmission tune slight fuel adjustment truck runs 14.18 and gets 2 mpg better! More updates to come!

10/01/2026

I’ve been slacking on
Posting lately! Truck
Made 508 whp
Btr 225 cam, headers, cai,
Tuned in 6th gear with a driveshaft
8 speed transmission.

09/25/2026

Why choose Reynolds Racing for
Your daily driver, race car, family cars, off road vehicles this is why Monday I had this truck all tore down turbos off tires manifold charge pipes by Thursday he drove from Wisconsin to Moab Utah no leaks no issues pace of mind for a great vacation!

09/12/2026

We are at Great Lakes dragway today shops closed!

Have a customer looking to purchase this today! LetMe know if anyone has one.
08/24/2026

Have a customer looking to purchase this today! Let
Me know if anyone has one.

Diff rebuilt with 4.10 gears!
08/04/2026

Diff rebuilt with 4.10 gears!

08/01/2026

Ctsv air raid 4 inch intake with green filter griptec 2.55 upper at 12 psi speed engineering 2 inch headers and sw 3 inch exhaust 93 octane 571 over the stock 463 baseline.

07/28/2026

Same ctsv did air raid intake with green filter upgrade and slight tune modification went from 463-535. Now for headers and pulley.

Address

N4273 State Road 59
Monroe, WI
53566

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 9am - 5pm

Telephone

+16087517122

Website

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